WNatural Healing College, Sacramento CaNatural Healing College is registered with the CA BPPE as a fully online vocational school.CertificatesShort 2-3 class certificate programs for personal use or continuing educations units. The certificate programs are often completed in 2-4 months but we give you 6-9 months depending on the credit hours involved. Certificates alone will not prepare you for opening a practice or board certification. Link to All Certificate Programs